package com.gofun.framework.web;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;

@Configuration
public class DruidConfiguration {
  /**
   * 注册一个StatViewServlet
   * 
   * @return
   */
  @Bean
  public ServletRegistrationBean DruidStatViewServle() {
    // org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
    ServletRegistrationBean servletRegistrationBean =
        new ServletRegistrationBean(new StatViewServlet(), "/druid/*");

    // 添加初始化参数：initParams

    // 白名单：
    // servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
    // IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
    // servletRegistrationBean.addInitParameter("deny", "192.168.1.73");
    // 登录查看信息的账号密码.
    // servletRegistrationBean.addInitParameter("loginUsername", "ljt");
    // servletRegistrationBean.addInitParameter("loginPassword", "ljt12345");
    // 是否能够重置数据.
    servletRegistrationBean.addInitParameter("resetEnable", "false");
    return servletRegistrationBean;
  }

  /**
   * 注册一个：filterRegistrationBean
   * 
   * @return
   */
  @Bean
  public FilterRegistrationBean druidStatFilter() {

    FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());

    // 添加过滤规则.
    filterRegistrationBean.addUrlPatterns("/*");

    // 添加不需要忽略的格式信息.
    filterRegistrationBean.addInitParameter("exclusions",
        "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
    return filterRegistrationBean;
  }
}
